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McFarlane Motor Mount Block Lock Washer MC0851559-1
MFR Model# MC0851559-1
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Overview
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The already improved motor mount lock washer is now even better. One side is embossed with a surface texture for improved locking strength and to make sure the washer does not slip while tightening. This helps prevent the lock tab from deforming or shearing during installation. It also helps keep the lock tab centered in the lock hole to minimize slack instead of allowing it to rotate to one side during installation. |
Features
- Up to four times the locking power for less!
- FAA approved using stronger material than the original, allowing the standard washer to be eliminated.
- Designed with six tabs instead of two.
- Easier to use!
- Cessna 180, 182, 185, 188, 205, 206, 207, 210, 310, 320, 411, and 414 model aircraft
Reviews
Order double what you need and send back what you dont use. The tab likes to shear off. Im not faulting the washer itself, but the aluminum ground strap between the washer and the engine mount. The serrations on the washer grip the ground strap and try to rotate it. Engines without the ground straps probably have fewer issues, since the mount itself has the pin to keep it from rotating. Cessnas engineers were having a bad day when they came up with that ground strap idea on the engine mounts. If it were experimental, I would trash those ground straps on the engine mounts and install a braided ground cable between a starter mounting stud and firewall.
Verified Purchase
McFarlane Motor Mount Lock Washer MC0851559-1
Works great
Verified Purchase
McFarlane Motor Mount Lock Washer MC0851559-1
Verified Purchase
McFarlane Motor Mount Lock Washer MC0851559-1
Verified Purchase
McFarlane Motor Mount Lock Washer MC0851559-1
Verified Purchase
McFarlane Motor Mount Lock Washer MC0851559-1
Verified Purchase
McFarlane Motor Mount Lock Washer MC0851559-1
Very easy to install correctly.
Verified Purchase
McFarlane Motor Mount Lock Washer MC0851559-1
Q&A
Please note, Aircraft Spruce Australia's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Australia assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
It is a steel washer with a 7/16" I.D.
The ID is 7/16 so it should work.
